Remove osmo-iuh subdir level from include/ (2/2)

Make all changes to #include statements and build files.
diff --git a/src/ranap/RANAP_GERAN-Cell-ID.c b/src/ranap/RANAP_GERAN-Cell-ID.c
index 64f20e0..c0539f7 100644
--- a/src/ranap/RANAP_GERAN-Cell-ID.c
+++ b/src/ranap/RANAP_GERAN-Cell-ID.c
@@ -4,7 +4,7 @@
  * 	found in "../../asn1/ranap/RANAP-IEs.asn"
  */
 
-#include <osmocom/osmo-iuh/ranap/RANAP_GERAN-Cell-ID.h>
+#include <osmocom/ranap/RANAP_GERAN-Cell-ID.h>
 
 static asn_TYPE_member_t asn_MBR_RANAP_GERAN_Cell_ID_1[] = {
 	{ ATF_NOFLAGS, 0, offsetof(struct RANAP_GERAN_Cell_ID, lAI),